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Mi-T-M Heater MH-0190-0M10 Photocell Replacement

Introduction

Follow this guide to replace the photocell on a Mi-T-M heater model MH-0190-0M10.

What you need

  1. Mi-T-M Heater MH-0190-0M10 Photocell Replacement, Safety precautions: step 1, image 1 of 2 Mi-T-M Heater MH-0190-0M10 Photocell Replacement, Safety precautions: step 1, image 2 of 2

    • Power off the machine at least one hour prior to starting repairs. Ensure the machine is completely cool to the touch.

    • Flip the power switch into the OFF position.

    • Unplug any extension cords from the included power cord.

    Edit

  2. Mi-T-M Heater MH-0190-0M10 Photocell Replacement, Remove the upper shell: step 2, image 1 of 2 Mi-T-M Heater MH-0190-0M10 Photocell Replacement, Remove the upper shell: step 2, image 2 of 2

    • Use a 5/16 inch socket or Phillips screwdriver to remove the eight screws securing the upper shell, four on each side.

    Edit

  3. Mi-T-M Heater MH-0190-0M10 Photocell Replacement: step 3, image 1 of 2 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: step 3, image 2 of 2

    • Lift the upper shell straight up off of the machine to remove it.

    Edit

  5. Mi-T-M Heater MH-0190-0M10 Photocell Replacement, Remove the right-side cover: step 4, image 1 of 1

    • Use a 5/16 inch socket or Phillips screwdriver to remove the four bolts securing the right-side cover.

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  6. Mi-T-M Heater MH-0190-0M10 Photocell Replacement: step 5, image 1 of 3 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: step 5, image 2 of 3 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: step 5, image 3 of 3

    • Tilt the right-side cover down to access the PCB board.

    • Do not fully remove the right-side cover, it is still attached via the on/off switch.

    • During reassembly, ensure the display window is aligned with the LCD display before you press the cover into place.

    Edit

  7. Mi-T-M Heater MH-0190-0M10 Photocell Replacement: step 6, image 1 of 3 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: step 6, image 2 of 3 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: step 6, image 3 of 3

    • There are two wires connecting the power switch to the main PCB assembly.

    • Use needle nose pliers to remove the wire with the blue connector.

    • Remove the wire with the clear connector.

    • Remove the right-side cover.

    • During reassembly, install the power switch wires back in their original locations with the blue wire above the clear wire.

    Edit

  8. Mi-T-M Heater MH-0190-0M10 Photocell Replacement, Remove the photocell: step 7, image 1 of 2 Mi-T-M Heater MH-0190-0M10 Photocell Replacement, Remove the photocell: step 7, image 2 of 2

    • Use your fingers to disconnect the white wire harness labeled CN3 on the main PCB assembly.

    Edit

  9. Mi-T-M Heater MH-0190-0M10 Photocell Replacement: step 8, image 1 of 3 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: step 8, image 2 of 3 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: step 8, image 3 of 3

    • Use your fingers or a pair of pliers to remove the photocell from its bracket.

    • During reassembly, ensure the photocell sits flush around the entire perimeter of the bracket.

    Edit

  10. Mi-T-M Heater MH-0190-0M10 Photocell Replacement: step 9, image 1 of 3 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: step 9, image 2 of 3 Mi-T-M Heater MH-0190-0M10 Photocell Replacement: step 9, image 3 of 3

    • Feed the photocell wires through the opening in the lower cover.

    • Remove the photocell.

    Edit
Conclusion

To reassemble your device, follow these instructions in reverse order.

Author

Sam Omiotek

Member since: 02/25/19

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